“If you have the phone owner’s fingerprint and access to fairly inexpensive 3D printing equipment, the entire process takes minutes and the resulting fingerprint copy will unlock the phone quite reliably.”

Darkshark “took a photograph of his fingerprint from the side of a wine glass with his smartphone. He then created a 3D model of the fingerprint with 3DS Max software, and printed it on a piece of resin with the AnyCubic Photon LCD printer.”

The result was “a square piece of resin containing a 3D model of the fingerprint.” As darkshark explains, “put this on the Galaxy S10+ and it will unlock it, in some cases just as well as the actual finger.”

Darkshark elaborates: “I can do this entire process in less than 3 minutes and remotely start the 3D print so it’s done by the time I get to it. Most banking apps only require fingerprint authentication so I could have all of your info and spend your money in less than 15 minutes if your phone is secured by fingerprint alone.”

This goes against Samsung’s own marketing material, which claims their phones are secure. “Hopefully this will be addressed in future iterations of these scanners or through software updates; for now, if your phone contains sensitive data, you should probably use a password instead.”